<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Test</title>
</head>
<body>
    <from action="login.so" method="post">
        <input type="text" name="id" placeholder="用户名"/>
        <input type="password" name="phone" placeholder="密码"/>
        <input type="submit" value="登录"/>
    </from>
    <hr/>
    <form action="login.so" method="post">
        ID：<input type="text" name="id"><br/>
        手机号：<input type="password" name="phone">
        <input type="submit" value="登录">
    </form>
</body>
</html>